Home / 3,087.48-4,629.06-1,139.16

Finding the Fourth Proportional to 3,087.48, 4,629.06 and 1,139.16

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Solution

The fourth proportional to 3,087.48, 4,629.06 and 1,139.16 is: 1,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.48 : 4,629.06 = 1,139.16 : x
  2. Step 2: Convert to fraction form
    3,087.48/4,629.06 = 1,139.16/x
  3. Step 3: Cross multiply
    3,087.48x = 4,629.06 × 1,139.16
  4. Step 4: Simplify right side
    3,087.48x = 5,273,239.99
  5. Step 5: Solve for x
    x = 5,273,239.99/3,087.48
  6. Step 6: Final answer
    x = 1,707.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.